OpenTechnical

OT-2026-000085689

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000085689) never changes.

Identity and time

Publication numberOT-2026-000085689 · never reused
Internal UUID01a0ae99-aaad-7435-9c64-2fa9a66ee637 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085689
StatusPUBLIC

Content hashes

Canonical text4ceed75f3f3257c778073415994fe9ce3b33cd39164d045e918bbca9875cecdf
Markdown98eaf843549ddf67006e71da996186f351f43f2cb7db45d851c04f0e617da540
PDF
Publication pagef84c978fa945d5a4a694668f9663f0c4fcbace5e452e7dfdba5b59edcfe51bb0
Manifest7734d806944970bdeb0e9c7a9a0cda0896180dcd04c9644cc80c440e609d57f2

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureDQ8UN3z1P8ElM9OIHffQVkEvQKDnj5/4HeRdUiaAf+XR1acOFf+Ew03DYC8xwhQf+6iOdDfJ+JSvFwCobpT9CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:54:35.404038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085689
observed f84c978fa945d5a4a694668f9663f0c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.385470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085689/manifest.json
observed 7734d806944970bdeb0e9c7a9a0cda08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.367491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085689/publication.md
observed 98eaf843549ddf67006e71da996186f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.347756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085689/publication.txt
observed 4ceed75f3f3257c778073415994fe9ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.